
public class QiangUtils {
public static class Mod1{
		
		public static void foo1()
		{
			System.out.println("Mod1 foo1");
		}
	}
	
	
	// ģ2
	public static class Mod2{
		
		public static void foo1()
		{
			System.out.println("Mod2 foo1");
		}
	}
	

}
